Question

5y2+3y-2;y=-1

Answer 1

Where does the multiplication go

Answer 2

MAybe
5(y)(2)+3y-2

Answer 3

I haven't solved it yet, I need help. It's from my book

Answer 4

10y+3y-2
13y-2
13(-1)-2-=
-13-2=
-15

Answer 5

what I got for the 5y^2 part was 125 is that not right?

Answer 6

No, it is not. You are forgetting your order of operations. Remember BEDMAS (Brackets, Exponentiation, Division, Multiplication, Addition, Subtraction). In 5*y^2, the first thing you should do is find y^2 and then multiply by 5.